1994 Toyota Corolla A/C blowing hot air during summer

Tiny
DHANDAPANI
  • MEMBER
  • 1994 TOYOTA COROLLA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 238,000 MILES
In normal weather the AC works fine. But when the outside temperature goes beyond 100 degrees then the AC starts blowing hot air. I live in Dallas and can you please the area I need to focus.
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Wednesday, July 1st, 2009 AT 4:41 PM

3 Replies

Tiny
BUDDYCRAIGG
  • CERTIFIED MECHANIC
It could be simply low on freon and the expansion valve is freezing up.

Do you have a set of AC gauges to take pressure readings?
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Monday, November 19th, 2018 AT 5:25 PM
Tiny
DHANDAPANI
  • MEMBER
No. I will purchase that and I will check the pressure readings.
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Monday, November 19th, 2018 AT 5:25 PM
Tiny
BUDDYCRAIGG
  • CERTIFIED MECHANIC
Take your time and look around, you should be able to find a cheap set for about 40 bucks.

That's what I paid for my first set and they lasted 3 summers and countless cars before I replaced them.

So they should be just fine for your occasional use.
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Monday, November 19th, 2018 AT 5:25 PM

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